De Houtwal is een straat te Heiloo in de gemeente Heiloo en is gelegen in de Nederlandse provincie Noord-Holland.
| Postcode | Huisnummers |
|---|---|
| 1852 RP | 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 22, 21, 20, 20a, 19, 18, 18a, 17, 16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 36, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 49, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73; |